OpenAI: gpt-4.5-preview-2025-02-27

deprecatedproprietary

Deprecated - a research preview of GPT-4.5. We recommend using gpt-4.1 or o3

Intelligence
Speed
Context
128K
Max output
16K
Input price
$75/1M tokens
Output price
$150/1M tokens

Capabilities

Reasoning & Interaction
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDopenai/gpt-4.5-preview-2025-02-27
Provider Cloudflare AI Gateway
Creator OpenAI
Familygpt-4.5
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window128K tokens
Max input—
Max output16K tokens
Reasoning tokens—
Knowledge cutoff
Release date
Sourceofficial

Pricing

Input
$75
Output
$150
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: gpt-4.5

ModelContextMax outPricing
OpenAI: gpt-4.5-preview128K16K$0$150
Azure OpenAI: gpt-4.5-preview-2025-02-27——$75$150
OpenAI: gpt-4.5-2025-02-21-alpha——$75$150
OpenAI: gpt-4.5-2025——$75$150
OpenAI: gpt-4.5-preview-2025-02-27128K16K$75$150
OpenRouter: openai/gpt-4.5-preview——$75$150

API

GET/v1/models/cloudflare-ai-gateway/openai/gpt-4.5-preview-2025-02-27

OpenAI: gpt-4.5-preview-2025-02-27

deprecated
openai/gpt-4.5-preview-2025-02-27

Deprecated - a research preview of GPT-4.5. We recommend using gpt-4.1 or o3

Changes · 3 entries
openai/gpt-4.5-preview-2025-02-27update1cd659eMar 24, 2026, 04:19 AM
modalitiesinput["text"]output["text"]
openai/gpt-4.5-preview-2025-02-27update2b100acMar 23, 2026, 05:30 AM
familygpt-4.5
model_typechat
openai/gpt-4.5-preview-2025-02-27create7a4f1f6Mar 22, 2026, 05:43 AM